ENIGMA Challenges are here! Fun free challenges for every student.

View problems in
Contests
Algebra
Analytic Geometry
Arithmetic
Calculus
Computational & Algorithmic Thinking
Computational Thinking
Discrete Mathematics
ELL
English Language and Literature
Geometry
High School Maths (Common Core)
Logic and Problem-solving (Australia)
Measurement and Geometry (Australia)
Middle School
Number Theory
Number and Algebra (Australia)
Statistics and Probability (Australia)
Trigonometry

edfinity currently supports contest, collegiate and high school mathematics, with other subjects to follow shortly.

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**new problems** **Customize**problem sets**Collaborate**with others- Help students
**save**on textbooks

**Self-publish**original problems- Get
**attribution**and recognition - Reach a
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**royalties**based on usage

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**new customers** - Improve
**copyright protection** - Manage
**content distribution** - Earn
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